Leann Michelle Blankenship, M.D.
NPI 1659634772ActiveIndividual· Internal Medicine, Hematology & Oncology· Pleasant Hill, CA
Internal Medicine, Hematology & Oncology (M.D.) with Epic Care, practicing in Pleasant Hill, California. In 2024 Medicare paid $2,829,682 for 717 patients, and Part D covered 1,808 of their prescriptions, 81% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 47 companies reporting payments in 2025, $4,641 in all, mostly food and beverage. Lists Alta Bates Summit Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1659634772 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 22, 2012 |
| Last updated in NPPES | Dec 9, 2021 |
| Certified by provider | Dec 9, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 4301107781 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 717 |
|---|---|
| Services billed | 192,980 across 138 procedure codes |
| Paid by Medicare | $2,829,682 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,808 · 3,334 30-day fills |
|---|---|
| Patients | 336 |
| Total drug cost | $3,315,976 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Epic CareWalnut Creek, CA · 55 clinicians
Hospital affiliations
- Alta Bates Summit Medical CenterOakland, CA
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- Contra Costa Regional Medical CenterMartinez, CA
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Other facilities
- John Muir Home Health ServicesHome health agency · Concord, CA
Industry payments (Open Payments)
- 2025$4,641 · 205 payments from 47 companies
- 2024$4,343 · 207 payments from 46 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $530.18 | 27 |
| Merck Sharp & Dohme LLC | $370.38 | 13 |
| Celgene Corporation | $325.64 | 15 |
| Glaxosmithkline, LLC. | $313.66 | 13 |
| Janssen Biotech, Inc. | $298.12 | 11 |
What the 2025 payments were for
- Food and Beverage$4,618 · 204 payments
- Education$23.10 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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